void del_list_repete(LinkNode *&L,ElemType e)
{
    LinkNode *s;
    while(s->next && s->next->next)
    {
        if(s->next->data=s->next->next->data)
        {   int x=s->next->data;
            while(s->next && s->next->data==x)
            {    s->next=s->next->next;
            }
        }
        else
        {
            s=s->next;
        }
    }
    return s->next;
    
}